#include <math.h>
#include <stdio.h>

int main() {
    // variables
    float a = 12.34 + 56.78;
    printf("%f\n", a);

    // infix operators
    printf("%f\n", 12.34 + 56.78);
    printf("%f\n", 12.34 - 56.78);
    printf("%f\n", 12.34 * 56.78);
    printf("%f\n", 12.34 / 56.78);

    // comparison operators
    printf("%d %d %d %d %d %d\n", 12.34 < 56.78, 12.34 <= 56.78, 12.34 == 56.78, 12.34 >= 56.78,
           12.34 > 56.78, 12.34 != 56.78);
    printf("%d %d %d %d %d %d\n", 12.34 < 12.34, 12.34 <= 12.34, 12.34 == 12.34, 12.34 >= 12.34,
           12.34 > 12.34, 12.34 != 12.34);
    printf("%d %d %d %d %d %d\n", 56.78 < 12.34, 56.78 <= 12.34, 56.78 == 12.34, 56.78 >= 12.34,
           56.78 > 12.34, 56.78 != 12.34);

    // assignment operators
    a = 12.34;
    a += 56.78;
    printf("%f\n", a);

    a = 12.34;
    a -= 56.78;
    printf("%f\n", a);

    a = 12.34;
    a *= 56.78;
    printf("%f\n", a);

    a = 12.34;
    a /= 56.78;
    printf("%f\n", a);

    // prefix operators
    printf("%f\n", +12.34);
    printf("%f\n", -12.34);

    // type coercion
    a = 2;
    printf("%f\n", a);
    printf("%f\n", sinf(2.0));

    return 0;
}

/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/
